One of the main goals in hypernuclear physics is to understand baryon-baryon interaction in the unified way and to study the structure of multi-strangeness systems. The extreme limit to have many hyperons is the core of neutron star. Recently, we observed the maximum mass of neutron start is about 2 solar mass. Then, also in hypernuclear physics, to understand it is one of the hot subjects.

For this purpose, for two decades, we have been obtaining many epoch-making data at J-PARC, JLab etc. In this talk, I will present the present status of hypernuclear physics and future prospect from view point of few-body problem in physics.